APA-referens (7:e uppl.)

Jaffe, E. D., & Hilbert, S. (2001). Barron's GMAT: How to prepare for the Graduate Management Admission Test (12th ed.). Barron's.

Chicago-referens (17:e uppl.)

Jaffe, Eugene D., och Stephen Hilbert. Barron's GMAT: How to Prepare for the Graduate Management Admission Test. 12th ed. Hauppauge, N.Y: Barron's, 2001.

MLA-referens (9:e uppl.)

Jaffe, Eugene D., och Stephen Hilbert. Barron's GMAT: How to Prepare for the Graduate Management Admission Test. 12th ed. Barron's, 2001.